setup jest for frontend testing

frontend/jest.config.js

@@ -0,0 +1,10 @@
+const { pathsToModuleNameMapper } = require("ts-jest/utils");
+const { compilerOptions } = require("./tsconfig");
+
+module.exports = {
+    preset: "ts-jest",
+    moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, {
+        prefix: "<rootDir>/",
+    }),
+    setupFilesAfterEnv: ["<rootDir>/src/setupTests.ts"],
+};